JDK-6648909 : background downloader should not be started during creation of merged-rt.jar
  • Type: Bug
  • Component: deploy
  • Sub-Component: deployment_toolkit
  • Affected Version: 6u10
  • Priority: P2
  • Status: Closed
  • Resolution: Fixed
  • OS: windows
  • CPU: x86
  • Submitted: 2008-01-10
  • Updated: 2010-09-08
  • Resolved: 2008-01-31
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6u10 b11Fixed
When kernel finished downloading all bundles and creating the final merged-rt.jar, just keep kicking off "java -version", and you will run into problem.   multiple java process will be spawned, and final merged-rt.jar won't be created.

EVALUATION Fixed mainly by ensuring that only the background download thread performs merges, along with a little bit of mutex shuffling.

EVALUATION Looks like the problem is it's possible to spawn a new background download process during the creation of merged-rt.jar. Right now BackgroundDownloader will quit immediately when "background" mutex cannot be obtained; maybe we should also check the "completion" mutex too ?